Heat Trapping Pollution

While it's no real surprise that the U.S. gets the gold as the #1 trash-producing country in the world, at 1,609 pounds per person per year, it's hard to get one's arms around the idea that three-quarters of what's dumped, is organic garbage, food waste by any other name, that could be composted.

Oceans have absorbed about a quarter of all CO2 emissions, or about 530 billion tons over the last 250 years. But add enough CO2 and you lower the pH, creating a less hospitable environment for many forms of sea life.